The paper length is not relevant since the chart flows from one page to the next.
Mobile
in.
mm
Portrait
2.75
70
For smart phones, not for printing
Landscape
5.5
140
For smart phones, not for printing
USA & Canada
in.
mm
Letter Portrait
8.5
216
Also Legal Portrait
Letter Landscape
11
279
Legal Landscape
14
356
Also Ledger Portrait
Ledger Landscape
17
432
International
in.
mm
A5 Portrait
5.82
148
A4 Portrait
8.25
210
Also A5 Landscape
A4 Landscape
11.71
297
Also A3 Landscape
A3 Landscape
16.54
420
The Text+ programs assume that the right and left margins are each about 25mm (1/2 inch) wide.
On the Format for Printing page, differences in page margins can be accommodated by the "fudge factor":
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┌──Nicholas Keefauver
(Aug 1807 Jonesborough, Washington County, Tennessee, USA - Sep 1881 Washington County, Tennessee, USA)
Abraham Keefauver (Washington County, Tennessee, USA;21 Jul 1847 - 6 Feb 1921)
│ ┌──John Bacon, Sr.
(Abt 1759 Maidencreek Twp, Berks County, Pennsylvania, USA - Washington County, Tennessee, USA) =>
│ ┌──Jeremiah Bacon
(1774 Berks County, Pennsylvania, USA - 1851 Washington County, Tennessee, USA)
│ │ └──Polly Brown
(Abt 1758 Pennsylvania, USA - Washington County, Tennessee, USA)
│ │
└──Dicy Bacon
(Washington County, Tennessee, USA;Abt 1808 - 10 Jan 1892)
└──Delilah Pritchett
(Washington County, Tennessee, USA;Abt 1781 - Jun 1850)